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LT1613 数据表(PDF) 8 Page - Linear Technology

部件名 LT1613
功能描述  1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1613 数据表(HTML) 8 Page - Linear Technology

Back Button LT1613 Datasheet HTML 4Page - Linear Technology LT1613 Datasheet HTML 5Page - Linear Technology LT1613 Datasheet HTML 6Page - Linear Technology LT1613 Datasheet HTML 7Page - Linear Technology LT1613 Datasheet HTML 8Page - Linear Technology LT1613 Datasheet HTML 9Page - Linear Technology LT1613 Datasheet HTML 10Page - Linear Technology LT1613 Datasheet HTML 11Page - Linear Technology LT1613 Datasheet HTML 12Page - Linear Technology  
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8
LT1613
OPERATIO
VIN
VOUT
12V
130mA
CPL
200pF
1613 F10
SW
L1
10
µH
D1
GND
LT1613
C1: AVX TAJB226M010
C2: TAIYO YUDEN EMK325BJ475MN
D1: MOTOROLA MBR0520
L1: MURATA LQH3C100
R2
12.3k
R3
10k
R1
107k
FB
SHUTDOWN
C1
22
µF
VIN
5V
C2
4.7
µF
SHDN
+
Figure 10. 5V to 12V Boost Converter with 4.7
µF Ceramic
Output Capacitor, CPL Added to Increase Phase Margin
VOUT
100mV/DIV
AC COUPLED
LOAD CURRENT
130mA
200
µs/DIV
1613 F11
10mA
Figure 11. 5V to 12V Boost Converter
with 4.7
µF Ceramic Output Capacitor
VIN
VOUT
5V
1613 F13
SW
L1
22
µH
L2
22
µH
CPL
330pF
D1
GND
LT1613
C1: AVX TAJB226M010
C2: TAIYO YUDEN LMK325BJ106MN
C3: TAIYO YUDEN LMK212BJ105MG
D1: MOTOROLA MBR0520
L1, L2: MURATA LQH3C220
R2
12.1k
R1
37.4k
R3
10k
C3
1
µF
FB
SHUTDOWN
C1
22
µF
VIN
3V TO
10V
C2
10
µF
SHDN
+
VOUT
100mV/DIV
AC COUPLED
LOAD CURRENT
130mA
200
µs/DIV
1613 F12
10mA
Figure 12. 5V to 12V Boost Converter with 4.7
µF
Ceramic Output Capacitor and 200pF Phase-Lead
Capacitor CPL and 10k in Series with FB Pin
Figure 13. 5V Output SEPIC with Ceramic
Output Capacitor. CPL Adds Phase Margin
VOUT
50mV/DIV
AC COUPLED
LOAD CURRENT
120mA
200
µs/DIV
1613 F14
20mA
Figure 14. 5V Output SEPIC with 10
µF
Ceramic Output Capacitor. No CPL. VIN = 4V
VOUT
50mV/DIV
AC COUPLED
LOAD CURRENT
120mA
200
µs/DIV
1613 F15
20mA
Figure 15. 5V Output SEPIC with 10
µF Ceramic Output
Capacitor, 330pF CPL and 10k in Series with FB Pin



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